code: def _normalize(self, s):
      s += ":"
      assert len(s) < self.STATUS_LEN
      return s + (self.STATUS_LEN - len(s)) * " "
  
file_path: dvc/dvc/commands/status.py
imports: from dvc.commands.data_sync import CmdDataBase
  from dvc.exceptions import DvcException
  from dvc.log import logger
  from dvc.ui import ui
  from dvc.utils import format_link
label_desc: Use image node_id 1 for calling the CmdDataStatus obj's underlying member method code with example usage: obj._normalize(s) and returns: unknown